title: The background of a smile.
authors.affiliation: University of Pittsburgh, USA.
authors.forename: D L
authors.initials: DL
authors.lastname: Hoexter
mesh_terms: D016556:Crown Lengthening / Q000379:methods; D004955:Esthetics, Dental; D005260:Female; D005893:Gingivoplasty / Q000379:methods; D006801:Humans; D012904:Smiling